Home / 18,336.80-27,512.40-7,241.60

Finding the Fourth Proportional to 18,336.80, 27,512.40 and 7,241.60

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Solution

The fourth proportional to 18,336.80, 27,512.40 and 7,241.60 is: 10,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.80 : 27,512.40 = 7,241.60 : x
  2. Step 2: Convert to fraction form
    18,336.80/27,512.40 = 7,241.60/x
  3. Step 3: Cross multiply
    18,336.80x = 27,512.40 × 7,241.60
  4. Step 4: Simplify right side
    18,336.80x = 199,233,795.84
  5. Step 5: Solve for x
    x = 199,233,795.84/18,336.80
  6. Step 6: Final answer
    x = 10,865.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.